Home / 39,982.34-59,967.34-13,681.04

Finding the Fourth Proportional to 39,982.34, 59,967.34 and 13,681.04

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Solution

The fourth proportional to 39,982.34, 59,967.34 and 13,681.04 is: 20,519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,982.34 : 59,967.34 = 13,681.04 : x
  2. Step 2: Convert to fraction form
    39,982.34/59,967.34 = 13,681.04/x
  3. Step 3: Cross multiply
    39,982.34x = 59,967.34 × 13,681.04
  4. Step 4: Simplify right side
    39,982.34x = 820,415,243.19
  5. Step 5: Solve for x
    x = 820,415,243.19/39,982.34
  6. Step 6: Final answer
    x = 20,519.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.